Lower back pain, feeling s need to urinate frequently
D
Paleontologists study and prove the change in form and functions of organisms throughout time in the fossil record.
Answer: (edited) Actually it might be D
Explanation: ATP (adenosine triphosphate) makes food for your body, and we can only keep a small amount of ATP and glucose stored in our bodies at a time. When you run, your body is trying to create extra ATP. In order to do that, you need more oxygen intake, so you start breathing heavier and quicker.
<span>Photosynthesis occurs in the chloroplasts of plant cells</span>
